[llvm] [NFC] [MTE] get rid of unnecessary cast (PR #110336)

[Florian Mayer via llvm-commits]

https://github.com/fmayer created https://github.com/llvm/llvm-project/pull/110336

None

>From fc1af883c95415178f7272c2329a87fa84d71a10 Mon Sep 17 00:00:00 2001
From: Florian Mayer <fmayer at google.com>
Date: Fri, 27 Sep 2024 16:01:08 -0700
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
 =?UTF-8?q?l=20version?=
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Created using spr 1.3.4
---
 llvm/lib/Target/AArch64/AArch64StackTagging.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/llvm/lib/Target/AArch64/AArch64StackTagging.cpp b/llvm/lib/Target/AArch64/AArch64StackTagging.cpp
index 72823fdcd858df..6ea58e26d07229 100644
--- a/llvm/lib/Target/AArch64/AArch64StackTagging.cpp
+++ b/llvm/lib/Target/AArch64/AArch64StackTagging.cpp
@@ -581,14 +581,14 @@ bool AArch64StackTagging::runOnFunction(Function &Fn) {
   Instruction *Base =
       insertBaseTaggedPointer(*Fn.getParent(), SInfo.AllocasToInstrument, DT);
 
-  int NextTag = 0;
+  unsigned int NextTag = 0;
   for (auto &I : SInfo.AllocasToInstrument) {
     memtag::AllocaInfo &Info = I.second;
     assert(Info.AI && SIB.getAllocaInterestingness(*Info.AI) ==
                           llvm::memtag::AllocaInterestingness::kInteresting);
     memtag::alignAndPadAlloca(Info, kTagGranuleSize);
     AllocaInst *AI = Info.AI;
-    int Tag = NextTag;
+    unsigned int Tag = NextTag;
     NextTag = (NextTag + 1) % 16;
     // Replace alloca with tagp(alloca).
     IRBuilder<> IRB(Info.AI->getNextNode());
@@ -643,7 +643,7 @@ bool AArch64StackTagging::runOnFunction(Function &Fn) {
         II->eraseFromParent();
     }
 
-    memtag::annotateDebugRecords(Info, static_cast<unsigned long>(Tag));
+    memtag::annotateDebugRecords(Info, Tag);
   }
 
   // If we have instrumented at least one alloca, all unrecognized lifetime